Lysimachus of Egypt

Lysimachus of Egypt (280 BC-221 BC) was the eldest son of King Ptolemy II Philadelphus and Arsinoe I. He was passed over for the succession by his brother Ptolemy III Euergetes and his nephew Magas of Egypt, and he was put to death by Ptolemy IV Philopator's minister Sosibius in 221 BC.